Galaxies 2 Galaxies clusters 2 Galaxies: clusters: intracluster mediums 2 X-rays galaxies clusters 2 X-rays: galaxies: clusters Cluster mass 1 Cosmology 1 Cosmology observations 1 Density regions 1 Galaxies: clusters: General 1 Galaxies: clusters: general 1 Galaxies: clusters: intracluster medium 1 High-redshift 1 Intracluster gas 1 Large scale structure of universe 1 Large-scale structure of Universe 1 Luminance 1 Spatial extent 1 Subaru telescopes 1 X ray diffraction analysis 1 X-ray characterization 1 X-ray luminosity 1 XMM-Newton 1 XMM-Newton observations 1 cosmology: observations 1 galaxies: clusters: intracluster medium 1